feat: add initial API

src/api/api.ts

@@ -1,8 +1,34 @@
 import { type FastifyPluginAsync } from 'fastify';
+import { manageEndpoints } from './endpoints/endpoints.manage.ts';
+import { authPlugin } from './plugins/plugins.auth.ts';
+import { messageEndpoints } from './endpoints/endpoints.message.ts';
+import { z } from 'zod';
 
 const api: FastifyPluginAsync = async (fastify) => {
-  fastify.get('/healthz', () => {
-    return { status: 'ok' };
+  fastify.route({
+    method: 'get',
+    url: '/health',
+    schema: {
+      operationId: 'health.get',
+      summary: 'Get health status',
+      tags: ['system'],
+      response: {
+        200: z.object({
+          status: z.literal('ok'),
+        }),
+      },
+    },
+    handler: () => {
+      return { status: 'ok' };
+    },
+  });
+  await authPlugin(fastify, {});
+
+  await fastify.register(manageEndpoints, {
+    prefix: '/manage',
+  });
+  await fastify.register(messageEndpoints, {
+    prefix: '/message',
   });
 };